ALSA: compress: add num_sample_rates in snd_codec_desc
authorVinod Koul <vinod.koul@intel.com>
Tue, 7 Jan 2014 16:25:42 +0000 (21:55 +0530)
committerTakashi Iwai <tiwai@suse.de>
Tue, 7 Jan 2014 17:33:40 +0000 (18:33 +0100)
this gives ability to convey the valid values of supported rates in
sample_rates array

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
include/uapi/sound/compress_params.h

index b62b24b7f834a6342ffb57bc38680d942ee7b087..165e7059de75173ec1bf29dcfb9138c35a4a3956 100644 (file)
@@ -326,6 +326,7 @@ union snd_codec_options {
 /** struct snd_codec_desc - description of codec capabilities
  * @max_ch: Maximum number of audio channels
  * @sample_rates: Sampling rates in Hz, use values like 48000 for this
+ * @num_sample_rates: Number of valid values in sample_rates array
  * @bit_rate: Indexed array containing supported bit rates
  * @num_bitrates: Number of valid values in bit_rate array
  * @rate_control: value is specified by SND_RATECONTROLMODE defines.
@@ -348,6 +349,7 @@ union snd_codec_options {
 struct snd_codec_desc {
        __u32 max_ch;
        __u32 sample_rates[MAX_NUM_SAMPLE_RATES];
+       __u32 num_sample_rates;
        __u32 bit_rate[MAX_NUM_BITRATES];
        __u32 num_bitrates;
        __u32 rate_control;